DE3618520A1 - Verfahren und vorrichtung zur bestimmung des endpunkts von titrationen - Google Patents
Verfahren und vorrichtung zur bestimmung des endpunkts von titrationenInfo
- Publication number
- DE3618520A1 DE3618520A1 DE19863618520 DE3618520A DE3618520A1 DE 3618520 A1 DE3618520 A1 DE 3618520A1 DE 19863618520 DE19863618520 DE 19863618520 DE 3618520 A DE3618520 A DE 3618520A DE 3618520 A1 DE3618520 A1 DE 3618520A1
- Authority
- DE
- Germany
- Prior art keywords
- measuring
- electrode
- display device
- switching device
- measuring electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000004448 titration Methods 0.000 title claims description 27
- 238000000034 method Methods 0.000 title claims description 13
- 238000005070 sampling Methods 0.000 claims description 12
- 238000005259 measurement Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005443 coulometric titration Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910021607 Silver chloride Inorganic materials 0.000 description 1
- 238000004082 amperometric method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000003869 coulometry Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 235000013980 iron oxide Nutrition 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- 238000004811 liquid chromatography Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 1
- 238000004454 trace mineral analysis Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/16—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using titration
- G01N31/162—Determining the equivalent point by means of a discontinuity
- G01N31/164—Determining the equivalent point by means of a discontinuity by electrical or electrochemical means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/11—Automated chemical analysis
- Y10T436/115831—Condition or time responsive
- Y10T436/116664—Condition or time responsive with automated titrator
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Electrochemistry (AREA)
- Molecular Biology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS390785A CS253908B1 (sk) | 1985-05-31 | 1985-05-31 | Zariadenie na indikáciu koncového bodu titrácie |
| CS390885 | 1985-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3618520A1 true DE3618520A1 (de) | 1986-12-04 |
Family
ID=25745910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19863618520 Withdrawn DE3618520A1 (de) | 1985-05-31 | 1986-06-02 | Verfahren und vorrichtung zur bestimmung des endpunkts von titrationen |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4741815A (enExample) |
| CH (1) | CH672190A5 (enExample) |
| DE (1) | DE3618520A1 (enExample) |
| GB (1) | GB2176296B (enExample) |
| HU (1) | HU194407B (enExample) |
| NL (1) | NL8601375A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4125131A1 (de) * | 1991-07-12 | 1993-01-21 | Fraunhofer Ges Forschung | Coulometrisches titrationsverfahren |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6315888B1 (en) * | 1998-08-18 | 2001-11-13 | Mitsubishi Chemical Corporation | Method of constant-current polarization voltage and apparatus for Karl-Fischer technique |
| DE10111264A1 (de) | 2001-03-09 | 2002-09-19 | Bosch Gmbh Robert | Verfahren zum Betrieb einer Auswerteschaltung für eine elektrochemische Zelle |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3248309A (en) * | 1961-09-11 | 1966-04-26 | Itt | Automatic titration apparatus and method |
| US3950237A (en) * | 1972-12-14 | 1976-04-13 | Mitsubishi Kasei Kogyo Kabushiki Kaisha | Coulometric titrating devices |
| US4018565A (en) * | 1975-10-17 | 1977-04-19 | The Foxboro Company | Automatic process titration system |
| US4059406A (en) * | 1976-07-12 | 1977-11-22 | E D T Supplies Limited | Electrochemical detector system |
| JPS5489687A (en) * | 1977-12-27 | 1979-07-16 | Mitsubishi Chem Ind | Titration controlling method |
| US4498039A (en) * | 1979-06-18 | 1985-02-05 | International Business Machines Corporation | Instrument for use with an electrochemical cell |
| US4426621A (en) * | 1981-06-29 | 1984-01-17 | International Business Machines Corporation | Detection circuitry for electrochemical analysis |
-
1986
- 1986-05-27 HU HU862235A patent/HU194407B/hu not_active IP Right Cessation
- 1986-05-28 GB GB8612958A patent/GB2176296B/en not_active Expired
- 1986-05-29 NL NL8601375A patent/NL8601375A/nl not_active Application Discontinuation
- 1986-05-30 CH CH2195/86A patent/CH672190A5/de not_active IP Right Cessation
- 1986-06-02 DE DE19863618520 patent/DE3618520A1/de not_active Withdrawn
-
1987
- 1987-04-13 US US07/037,316 patent/US4741815A/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4125131A1 (de) * | 1991-07-12 | 1993-01-21 | Fraunhofer Ges Forschung | Coulometrisches titrationsverfahren |
Also Published As
| Publication number | Publication date |
|---|---|
| NL8601375A (nl) | 1986-12-16 |
| GB2176296B (en) | 1989-07-19 |
| US4741815A (en) | 1988-05-03 |
| GB8612958D0 (en) | 1986-07-02 |
| HU194407B (en) | 1988-01-28 |
| GB2176296A (en) | 1986-12-17 |
| HUT41539A (en) | 1987-04-28 |
| CH672190A5 (enExample) | 1989-10-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8139 | Disposal/non-payment of the annual fee |